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Update indentation options sections of the README and vim help file
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‎README.md‎

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@@ -71,96 +71,58 @@ disabled by default.
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### Indent options
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Clojure indentation differs somewhat from traditional Lisps, due in part to
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the use of square and curly brackets, and otherwise by community convention.
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These conventions are not universally followed, so the Clojure indent script
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offers a few configuration options.
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By default Clojure.vim will attempt to follow the indentation rules in the
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[Clojure Style Guide](https://guide.clojure.style), but various configuration
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options are provided to alter the indentation as you prefer.
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(If the current Vim does not include `searchpairpos()`, the indent script falls
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back to normal `'lisp'` indenting, and the following options are ignored.)
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> **Warning**<br>
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> If your installation of Vim does not include `searchpairpos()`, the indent
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> script falls back to normal `'lisp'` and `'lispwords'` indenting, ignoring
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> the following indentation options.
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#### `g:clojure_maxlines`
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#### `clojure_indent_rules`
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Sets maximum scan distance of `searchpairpos()`. Larger values trade
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performance for correctness when dealing with very long forms. A value of
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0 will scan without limits. The default is 300.
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> **Note**<br>
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> The indentation code was recently rebuilt, which included the removal of
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> several former configuration options (`clojure_fuzzy_indent`,
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> `clojure_fuzzy_indent_patterns`, `clojure_fuzzy_indent_blacklist`,
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> `clojure_special_indent_words`, `clojure_cljfmt_compat` and now ignores the
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> value of `'lispwords'`).
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>
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> All of those options were rolled into this new option.
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#### `g:clojure_fuzzy_indent`, `g:clojure_fuzzy_indent_patterns`, `g:clojure_fuzzy_indent_blacklist`
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#### `clojure_align_multiline_strings`
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The `'lispwords'` option is a list of comma-separated words that mark special
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forms whose subforms should be indented with two spaces.
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For example:
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```clojure
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(defn bad []
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"Incorrect indentation")
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(defn good []
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"Correct indentation")
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```
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If you would like to specify `'lispwords'` with a pattern instead, you can use
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the fuzzy indent feature:
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```vim
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" Default
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let g:clojure_fuzzy_indent = 1
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let g:clojure_fuzzy_indent_patterns = ['^with', '^def', '^let']
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let g:clojure_fuzzy_indent_blacklist = ['-fn$', '\v^with-%(meta|out-str|loading-context)$']
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```
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`g:clojure_fuzzy_indent_patterns` and `g:clojure_fuzzy_indent_blacklist` are
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lists of patterns that will be matched against the unqualified symbol at the
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head of a list. This means that a pattern like `"^foo"` will match all these
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candidates: `foobar`, `my.ns/foobar`, and `#'foobar`.
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Each candidate word is tested for special treatment in this order:
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1. Return true if word is literally in `'lispwords'`
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2. Return false if word matches a pattern in `g:clojure_fuzzy_indent_blacklist`
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3. Return true if word matches a pattern in `g:clojure_fuzzy_indent_patterns`
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4. Return false and indent normally otherwise
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#### `g:clojure_special_indent_words`
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Some forms in Clojure are indented such that every subform is indented by only
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two spaces, regardless of `'lispwords'`. If you have a custom construct that
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should be indented in this idiosyncratic fashion, you can add your symbols to
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the default list below.
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```vim
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" Default
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let g:clojure_special_indent_words = 'deftype,defrecord,reify,proxy,extend-type,extend-protocol,letfn'
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```
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#### `g:clojure_align_multiline_strings`
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Align subsequent lines in multi-line strings to the column after the opening
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quote, instead of the same column.
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For example:
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Alter alignment of newly created lines within multi-line strings (and regular
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expressions).
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```clojure
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;; let g:clojure_align_multiline_strings = 0 " Default
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(def default
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
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enim ad minim veniam, quis nostrud exercitation ullamco laboris
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nisi ut aliquip ex ea commodo consequat.")
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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;; let g:clojure_align_multiline_strings = 1
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(def aligned
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
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enim ad minim veniam, quis nostrud exercitation ullamco laboris
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nisi ut aliquip ex ea commodo consequat.")
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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;; let g:clojure_align_multiline_strings = -1
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(def traditional
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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```
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There is also a buffer-local (`b:`) version of this option.
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> **Note**<br>
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> Indenting the string with `=` will not alter the indentation of existing
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> multi-line strings as that would break intentional formatting.
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#### `g:clojure_align_subforms`
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#### `clojure_align_subforms`
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By default, parenthesized compound forms that look like function calls and
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whose head subform is on its own line have subsequent subforms indented by

‎doc/clojure.txt‎

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CLOJURE *ft-clojure-indent* *clojure-indent*
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Clojure indentation differs somewhat from traditional Lisps, due in part to
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the use of square and curly brackets, and otherwise by community convention.
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These conventions are not universally followed, so the Clojure indent script
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offers a few configuration options.
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By default Clojure.vim will attempt to follow the indentation rules in the
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Clojure Style Guide, [1] but various configuration options are provided to
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alter the indentation as you prefer.
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(If the current Vim does not include |searchpairpos()|, the indent script falls
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back to normal 'lisp' indenting, and the following options are ignored.)
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[1]: https://guide.clojure.style
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WARNING: if your installation of Vim does not include `searchpairpos()`, the
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indent script falls back to normal 'lisp' and 'lispwords' indenting,
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ignoring the following indentation options.
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*g:clojure_maxlines*
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*b:clojure_indent_rules*
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*g:clojure_indent_rules*
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Sets maximum scan distance of `searchpairpos()`. Larger values trade
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performance for correctness when dealing with very long forms. A value of
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0 will scan without limits. The default is 300.
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*g:clojure_fuzzy_indent*
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*g:clojure_fuzzy_indent_patterns*
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*g:clojure_fuzzy_indent_blacklist*
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The 'lispwords' option is a list of comma-separated words that mark special
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forms whose subforms should be indented with two spaces.
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For example:
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>
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(defn bad []
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"Incorrect indentation")
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(defn good []
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"Correct indentation")
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<
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If you would like to specify 'lispwords' with a |pattern| instead, you can use
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the fuzzy indent feature:
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>
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" Default
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let g:clojure_fuzzy_indent = 1
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let g:clojure_fuzzy_indent_patterns = ['^with', '^def', '^let']
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let g:clojure_fuzzy_indent_blacklist =
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\ ['-fn$', '\v^with-%(meta|out-str|loading-context)$']
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<
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|g:clojure_fuzzy_indent_patterns| and |g:clojure_fuzzy_indent_blacklist| are
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lists of patterns that will be matched against the unqualified symbol at the
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head of a list. This means that a pattern like `"^foo"` will match all these
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candidates: `foobar`, `my.ns/foobar`, and `#'foobar`.
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Each candidate word is tested for special treatment in this order:
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1. Return true if word is literally in 'lispwords'
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2. Return false if word matches a pattern in
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|g:clojure_fuzzy_indent_blacklist|
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3. Return true if word matches a pattern in
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|g:clojure_fuzzy_indent_patterns|
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4. Return false and indent normally otherwise
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*g:clojure_special_indent_words*
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Some forms in Clojure are indented such that every subform is indented by only
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two spaces, regardless of 'lispwords'. If you have a custom construct that
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should be indented in this idiosyncratic fashion, you can add your symbols to
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the default list below.
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>
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" Default
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let g:clojure_special_indent_words =
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\ 'deftype,defrecord,reify,proxy,extend-type,extend-protocol,letfn'
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<
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TODO: add this option and write this section.
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*b:clojure_align_multiline_strings*
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*g:clojure_align_multiline_strings*
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Align subsequent lines in multi-line strings to the column after the opening
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quote, instead of the same column.
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For example:
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Alter alignment of newly created lines within multi-line strings (and regular
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expressions).
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>
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;; let g:clojure_align_multiline_strings = 0 " Default
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(def default
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
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enim ad minim veniam, quis nostrud exercitation ullamco laboris
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nisi ut aliquip ex ea commodo consequat.")
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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;; let g:clojure_align_multiline_strings = 1
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(def aligned
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
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enim ad minim veniam, quis nostrud exercitation ullamco laboris
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nisi ut aliquip ex ea commodo consequat.")
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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;; let g:clojure_align_multiline_strings = -1
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(def traditional
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"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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<
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NOTE: indenting the string with |=| will not alter the indentation of existing
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multi-line strings as that would break intentional formatting.
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*g:clojure_align_subforms*
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baz)
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<
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*g:clojure_cljfmt_compat*
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Try to be (more) compatible with `cljfmt` Clojure code formatting tool. Turns
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on single space indenting for forms starting with `:keywords`, `'symbols`,
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`#'variables` and `@dereferences` (it affects, for instance, `(:require ...)`
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clause in Clojure `ns` form).
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CLOJURE *ft-clojure-syntax*
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*g:clojure_syntax_keywords*

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